19503638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 36910080

約数和(自身を除く): 17406442

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1423, 1958, 2846, 6853, 9961, 13706, 15653, 19922, 31306, 109571, 126647, 219142, 253294, 886529, 1393117, 1773058, 2786234, 9751819, 19503638]

約数ペア:

[(1, 19503638), (2, 9751819), (7, 2786234), (11, 1773058), (14, 1393117), (22, 886529), (77, 253294), (89, 219142), (154, 126647), (178, 109571), (623, 31306), (979, 19922), (1246, 15653), (1423, 13706), (1958, 9961), (2846, 6853)]